\documentclass[12pt, a4paper]{report}
\usepackage[top=2.5cm,bottom=2.3cm,left=2.5 cm,right=1.5cm]{geometry}
\usepackage[portuges]{babel}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}

\begin{document}

\input{capa}

\tableofcontents{} %\listoffigures \listoftables

\input{revisoes}
\input{introducao}
\input{visao}
\input{requisitos}
\input{orgRequisitos}

\bibliographystyle{alpha}
\bibliography{bibliografia}
    
\end{document}